Lightweight High-Strength Composite Geogrid
The Lightweight High-Strength Composite Geogrid is an innovative geogrid manufactured using polypropylene (PP) as the core raw material through a co-extruded multilayer melt extrusion process.
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The Lightweight High-Strength Composite Geogrid is an innovative geogrid manufactured using polypropylene (PP) as the core raw material through a co-extruded multilayer melt extrusion process.
The product features a three-layer composite structure, consisting of a white upper layer, a black core layer, and a white lower layer. Combining the advantages of light weight and high strength, it represents an upgraded alternative to conventional geogrids.
Features
1.Lightweight, high strength, high stiffness, and excellent corrosion resistance, with stable mechanical properties. Compared with conventional geogrids, it offers superior performance in terms of strength, weather resistance, and stress distribution.
2.Featuring a multilayer structure, the upper and lower surface layers adopt a microcellular foamed structure, which reduces both raw material consumption and product weight. Meanwhile, the structure provides vertical compressibility, significantly enhancing the interface friction and interlocking performance between the geogrid and surrounding soil.
Applications
The Lightweight High-Strength Composite Geogrid is widely used in infrastructure projects including:
·Highways ·Railways ·Airports ·Ports ·Municipal roads ·Other civil engineering applications.
Technical Properties of Lightweight High-Strength Composite Geogrid
| Property | Unit | TGQG-200 | TGQG-280 | TGQG-350 | TGQG-550 | TGQG-700 |
|---|---|---|---|---|---|---|
| Tensile Modulus (MD) ≥ | kN/m | 200 | 280 | 350 | 550 | 700 |
| Secant Modulus at 2% Strain (0° & 90° ) ≥ | kN/m | 235 | 320 | 400 | 630 | 800 |
| Nominal Elongation at Break (0° & 90° ) ≤ | % | 15 | ||||
| Thickness of Core Layer ≥ | mm | 0.3 | ||||
| UV Strength Retention ≥ | % | 90 | ||||
| Oxidative Induction Time (OIT) Retention ≥ * | % | 90 | ||||
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Uniaxial geogrid, made of high molecular polymer, is extruded into sheet and then punched into regular mesh pattern,and finally stretched in the longitudinal direction.
PP biaxial geogrid is manufactured from PP, it is produced through the process of extruding, punching, heating, longitudinal and transverse stretching.
Fiberglass geogrid is knitted by glass fiber filaments and coated with bitumen to provide a good bond with the asphalt layers, can strengthen the asphalt layer, extend the service life of pavement layers and decrease the occurrence rate of reflective cracking under cyclic traffic load.
Polyester geogrid is made of high strength polyester industrial yarnjt is warp knitted and coated with PVC.lt can be applied to soft soil foundation treatment and reinforcement of subgrade,dam and other projects,so as to improve project quality and reduce project cost.
Multiaxial Geogrid is one kind of plastic geogrid with a stable network structure formed by extruding, punching, and four-direction stretching.
PP Mining geogrid is made of modified polypropylene and other high molecular polymers by extrusion and stretching.
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Taian Road Engineering Materials Co., Ltd.